diff --git a/setup.py b/setup.py
index d7d2359..07418ed 100644
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,4 @@
 from setuptools import setup, find_packages, Command
-#from codecs import open as open_c
 from os import path, system, remove, rename, removedirs
 import re
 
@@ -8,10 +7,14 @@ package_name = "pytchat"
 root_dir = path.abspath(path.dirname(__file__))
 
 def _requirements():
-    return [name.rstrip() for name in open(path.join(root_dir, 'requirements.txt')).readlines()]
+    return [name.rstrip() 
+        for name in open(path.join(
+            root_dir, 'requirements.txt')).readlines()]
 
 def _test_requirements():
-    return [name.rstrip() for name in open(path.join(root_dir, 'requirements_test.txt')).readlines()]
+    return [name.rstrip() 
+        for name in open(path.join(
+            root_dir, 'requirements_test.txt')).readlines()]
 
 txt= ''
 with open('README.MD', 'r', encoding='utf-8') as f:
@@ -25,11 +28,16 @@ rename("README1.MD","README.MD")
 
 with open(path.join(root_dir, package_name, '__init__.py')) as f:
     init_text = f.read()
-    version = re.search(r'__version__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
-    license = re.search(r'__license__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
-    author = re.search(r'__author__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
-    author_email = re.search(r'__author_email__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
-    url = re.search(r'__url__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
+    version = re.search(
+        r'__version__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
+    license = re.search(
+        r'__license__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
+    author = re.search(
+        r'__author__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
+    author_email = re.search(
+        r'__author_email__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
+    url = re.search(
+        r'__url__\s*=\s*[\'\"](.+?)[\'\"]', init_text).group(1)
 
 assert version
 assert license
@@ -56,7 +64,6 @@ setup(
     long_description_content_type='text/markdown',
     license=license,
     install_requires=_requirements(),
-    #tests_require=_test_requirements(),
     description="a python library for fetching youtube live chat.",
     classifiers=[
         'Natural Language :: Japanese',
@@ -67,6 +74,7 @@ setup(
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',        
+        'Programming Language :: Python :: 3.8',        
         'License :: OSI Approved :: MIT License',
     ],
     keywords='youtube livechat asyncio',